by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Query was empty
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
at com.mysql.jdbc.Util.getInstance(Util.java:408)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:944)
解答： 更新了一个null的集合
版权声明：本文为dingxingmei原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。